Crimestopper SP-202 SecurityPlus 1-Way Deluxe Alarm/Keyless Entry System (2) 5-button transmitters with 700ft of range Arm/lock - disarm/unlock Double Pulse unlock Trunk release: disarm with trunk release Priority unlock Feature Compact 5-button transmitters with chrome accents, capable of 1500 foot range, very durable for hard use, code hopping, high performance receiver Remotes capable of (2) vehicle operation; LED on remote changes color to indicate vehicle number 1 or 2 operation; trunk pop output and one additional auxiliary output included Includes 20 Watt high-power single-tone siren, dome light supervision, carjack protection, remote panic, dual-stage high performance shock sensor for great protection; and starter kill output to protect car from theft 2-way data port for easy bypass module hook up if necessary; audible and visual arm and disarm with intrusion alert; silent arm and disarm through remote; driver's priority unlock Can be easily switched from a 1-way to a 2-way system through optional 2-way upgrade kit; 2-way upgrade kit includes pager remote, sidekick remote, antenna and charger; plug and play install